During January 2025, Daniel Weise developed a session idle timeout connectivity validation feature for the ILIAS-eLearning/ILIAS repository, focusing on backend development and system administration using PHP. He refactored session handling to introduce a centralized getCurlConnection method, improving consistency and testability across connectivity checks. Daniel enhanced error handling for cURL and file_get_contents, reducing unnecessary failures and resource usage during session operations. By implementing proactive connectivity validation in the isApplicable method, he ensured that session logic only executes when the web server is reachable. This work addressed reliability issues in environments with intermittent connectivity, demonstrating thoughtful engineering depth within a short timeframe.